EP0719044A3 - - Google Patents

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Publication number
EP0719044A3
EP0719044A3 EP96101535A EP96101535A EP0719044A3 EP 0719044 A3 EP0719044 A3 EP 0719044A3 EP 96101535 A EP96101535 A EP 96101535A EP 96101535 A EP96101535 A EP 96101535A EP 0719044 A3 EP0719044 A3 EP 0719044A3
Authority
EP
European Patent Office
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96101535A
Other versions
EP0719044A2 (en
EP0719044B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6525591A external-priority patent/JPH04280153A/ja
Priority claimed from JP3106503A external-priority patent/JP2781079B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0719044A2 publication Critical patent/EP0719044A2/en
Publication of EP0719044A3 publication Critical patent/EP0719044A3/xx
Application granted granted Critical
Publication of EP0719044B1 publication Critical patent/EP0719044B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13199—Modem, modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216—Code signals, frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1324—Conference call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13337—Picturephone, videotelephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13349—Network management

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP96101535A 1991-03-07 1992-03-06 Multi-location television conference system Expired - Lifetime EP0719044B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP65255/91 1991-03-07
JP6525591A JPH04280153A (ja) 1991-03-07 1991-03-07 多地点会議装置
JP6525591 1991-03-07
JP3106503A JP2781079B2 (ja) 1991-04-12 1991-04-12 多地点テレビ会議装置
JP106503/91 1991-04-12
JP10650391 1991-04-12
EP92103896A EP0502547B1 (en) 1991-03-07 1992-03-06 Multi-location television conference system

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP92103896.4 Division 1992-03-06
EP92103896A Division EP0502547B1 (en) 1991-03-07 1992-03-06 Multi-location television conference system

Publications (3)

Publication Number Publication Date
EP0719044A2 EP0719044A2 (en) 1996-06-26
EP0719044A3 true EP0719044A3 (oth) 1996-07-17
EP0719044B1 EP0719044B1 (en) 1999-07-28

Family

ID=26406378

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92103896A Expired - Lifetime EP0502547B1 (en) 1991-03-07 1992-03-06 Multi-location television conference system
EP96101535A Expired - Lifetime EP0719044B1 (en) 1991-03-07 1992-03-06 Multi-location television conference system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP92103896A Expired - Lifetime EP0502547B1 (en) 1991-03-07 1992-03-06 Multi-location television conference system

Country Status (3)

Country Link
US (1) US5323445A (oth)
EP (2) EP0502547B1 (oth)
DE (2) DE69222204T2 (oth)

Families Citing this family (52)

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Publication number Priority date Publication date Assignee Title
US5821984A (en) * 1992-09-09 1998-10-13 Canon Kabushiki Kaisha Communication conference system with storage of conference information including proceedings data
ES2132193T3 (es) 1992-09-21 1999-08-16 Canon Kk Sistema de red y aparato terminal.
US5422883A (en) * 1992-10-16 1995-06-06 International Business Machines Corporation Call setup and channel allocation for a multi-media network bus
US5852466A (en) * 1992-12-28 1998-12-22 Canon Kabushiki Kaisha Teleconference system
US5495284A (en) 1993-03-12 1996-02-27 Katz; Ronald A. Scheduling and processing system for telephone video communication
US7019770B1 (en) 1993-03-12 2006-03-28 Telebuyer, Llc Videophone system for scrutiny monitoring with computer control
US20030185356A1 (en) 1993-03-12 2003-10-02 Telebuyer, Llc Commercial product telephonic routing system with mobile wireless and video vending capability
US6323894B1 (en) 1993-03-12 2001-11-27 Telebuyer, Llc Commercial product routing system with video vending capability
US5689553A (en) * 1993-04-22 1997-11-18 At&T Corp. Multimedia telecommunications network and service
US6738357B1 (en) 1993-06-09 2004-05-18 Btg International Inc. Method and apparatus for multiple media digital communication system
US5530472A (en) * 1993-06-29 1996-06-25 Sprint Communications Company L.P. Video conference system including a non-reserved video conference capability
JPH0795552A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd テレビ会議ネットワーク管理システム
JPH0795418A (ja) * 1993-09-20 1995-04-07 Canon Inc 画像通信装置
US6594688B2 (en) * 1993-10-01 2003-07-15 Collaboration Properties, Inc. Dedicated echo canceler for a workstation
US5452299A (en) * 1993-10-14 1995-09-19 Intel Corporation Optimized transfer of large object data blocks in a teleconferencing system
US5959978A (en) * 1994-04-21 1999-09-28 Canon Kabushiki Kaisha Method, terminal, and system for multi-station video communication
US5555017A (en) * 1994-07-08 1996-09-10 Lucent Technologies Inc. Seamless multimedia conferencing system using an enhanced multipoint control unit
CA2150060C (en) * 1994-07-08 2000-01-11 John T. Biggs Seamless multimedia conferencing system using enhanced endpoint devices
US5625407A (en) * 1994-07-08 1997-04-29 Lucent Technologies Inc. Seamless multimedia conferencing system using an enhanced multipoint control unit and enhanced endpoint devices
JP3128680B2 (ja) * 1994-07-20 2001-01-29 富士通株式会社 多地点テレビ会議システム
JPH0879391A (ja) * 1994-09-02 1996-03-22 Fujitsu Ltd 電子会議システム
US5802281A (en) 1994-09-07 1998-09-01 Rsi Systems, Inc. Peripheral audio/video communication system that interfaces with a host computer and determines format of coded audio/video signals
WO1996016497A1 (en) * 1994-11-21 1996-05-30 Oracle Corporation Transferring binary large objects (blobs) in a network environment
US5483588A (en) * 1994-12-23 1996-01-09 Latitute Communications Voice processing interface for a teleconference system
US5854898A (en) 1995-02-24 1998-12-29 Apple Computer, Inc. System for automatically adding additional data stream to existing media connection between two end points upon exchange of notifying and confirmation messages therebetween
CA2173304C (en) 1995-04-21 2003-04-29 Anthony J. Dezonno Method and system for establishing voice communications using a computer network
US5796424A (en) * 1995-05-01 1998-08-18 Bell Communications Research, Inc. System and method for providing videoconferencing services
US5719928A (en) * 1995-05-12 1998-02-17 Protel, Inc. Apparatus and method for automated audio teleconferencing having enhanced billing and reservation features
WO1996036157A1 (en) * 1995-05-12 1996-11-14 Protel, Inc. Automated audio teleconferencing having reconfiguration features
US5828743A (en) * 1995-05-12 1998-10-27 Protel, Inc. Apparatus and method for automated audio teleconferencing having enhanced access and security features
US5793415A (en) * 1995-05-15 1998-08-11 Imagetel International Inc. Videoconferencing and multimedia system
US5619555A (en) * 1995-07-28 1997-04-08 Latitude Communications Graphical computer interface for an audio conferencing system
US5559875A (en) * 1995-07-31 1996-09-24 Latitude Communications Method and apparatus for recording and retrieval of audio conferences
US6396510B1 (en) * 1996-06-21 2002-05-28 Intel Corporation Method and apparatus for scheduling a multi-point electronic conference
US7490169B1 (en) 1997-03-31 2009-02-10 West Corporation Providing a presentation on a network having a plurality of synchronized media types
US7412533B1 (en) 1997-03-31 2008-08-12 West Corporation Providing a presentation on a network having a plurality of synchronized media types
WO1998044733A1 (en) * 1997-03-31 1998-10-08 Broadband Associates Method and system for providing a presentation on a network
US6272214B1 (en) 1997-11-24 2001-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Automatic control of participation in telemeetings
US6330022B1 (en) 1998-11-05 2001-12-11 Lucent Technologies Inc. Digital processing apparatus and method to support video conferencing in variable contexts
JP3415463B2 (ja) * 1999-01-19 2003-06-09 日本電気株式会社 会議通信装置
US6774926B1 (en) * 1999-09-03 2004-08-10 United Video Properties, Inc. Personal television channel system
JP3379489B2 (ja) * 1999-09-14 2003-02-24 日本電気株式会社 サーバー・クライアント型システム及びデータダウンロード方法
JP2002359690A (ja) * 2001-03-27 2002-12-13 Toshiba Corp 電話交換装置、および電話システム
US20020178086A1 (en) * 2001-05-09 2002-11-28 Margeson Jaye A. System and method for seminar reservations
US7022104B2 (en) * 2003-12-08 2006-04-04 Angioscore, Inc. Facilitated balloon catheter exchange
NO319437B1 (no) * 2004-01-16 2005-08-15 Tandberg Telecom As Fremgangsmate for ad hoc buffer
WO2006051584A1 (ja) * 2004-11-10 2006-05-18 Fujitsu Limited コンテンツサーバ及びコンテンツサービスシステム
US8171104B2 (en) * 2005-12-15 2012-05-01 International Business Machines Corporation Scheduling and searching meetings in a network environment
US8433753B2 (en) * 2005-12-15 2013-04-30 International Business Machines Corporation Providing meeting information from a meeting server to an email server to store in an email database
JP2008085677A (ja) * 2006-09-27 2008-04-10 Toshiba Corp 情報制御装置、情報合成装置及びプログラム
JP6019707B2 (ja) 2012-04-25 2016-11-02 株式会社リコー 伝送管理システム、伝送システム、及び伝送管理システム用プログラム
CN114070826A (zh) * 2021-11-05 2022-02-18 广州朗国电子科技股份有限公司 基于鸿蒙的分布式数据管理方法、系统、控制终端和介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01258575A (ja) * 1988-04-08 1989-10-16 Nec Corp 異速度切替え接続制御方法および装置
JPH03216051A (ja) * 1990-01-22 1991-09-24 Nec Corp 多地点間テレビ会議通信方式

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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JPS63240253A (ja) * 1987-03-27 1988-10-05 Fujitsu Ltd 予約登録簡略方式
JPH01147946A (ja) * 1987-12-03 1989-06-09 Fujitsu Ltd 多地点間テレビ会議方式
JPH01264463A (ja) * 1988-04-15 1989-10-20 Nec Corp プリセット型会議電話装置の共用方式
JPH01265767A (ja) * 1988-04-18 1989-10-23 Nippon Telegr & Teleph Corp <Ntt> 会議通信方式
JPH02126762A (ja) * 1988-11-04 1990-05-15 Nippon Telegr & Teleph Corp <Ntt> 電話会議の管理装置
JPH0364157A (ja) * 1989-07-31 1991-03-19 Nippon Telegr & Teleph Corp <Ntt> 電話会議予約装置
JPH03145363A (ja) * 1989-10-31 1991-06-20 Nec Corp 電話会議システムの予約情報収集処理方式
US5065393A (en) * 1990-04-10 1991-11-12 Dsc Communications Corporation Network controller billing system and method of operation
US5195086A (en) * 1990-04-12 1993-03-16 At&T Bell Laboratories Multiple call control method in a multimedia conferencing system
US5138614A (en) * 1990-04-12 1992-08-11 At&T Bell Laboratories Transformation method for network conference connections
US5136581A (en) * 1990-07-02 1992-08-04 At&T Bell Laboratories Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communication network

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01258575A (ja) * 1988-04-08 1989-10-16 Nec Corp 異速度切替え接続制御方法および装置
JPH03216051A (ja) * 1990-01-22 1991-09-24 Nec Corp 多地点間テレビ会議通信方式

Non-Patent Citations (5)

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Title
KAZUO WATABE ET AL: "A DISTRIBUTED MULTIPARTY DESKTOP CONFERENCING SYSTEM AND ITS ARCHITECTURE", PROCEEDINGS OF THE ANNUAL INTERNATIONAL PHOENIX CONFERENCE ON COMPUTERS AND COMMUNICATIONS, SCOTTSDALE, MAR. 21 - 23, 1990, no. CONF. 9, 21 March 1990 (1990-03-21), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 386 - 393, XP000140027 *
L.SPILMAN: "CUSTOMIZED DIGITAL NETWORK FOR THE DEPARTMENT OF DEFENSE", AT&T TECHNOLOGY, vol. 1, no. 1, 1986, SHORT HILLS, NEW JERSEY US, pages 58 - 65, XP000569893 *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 016 (E - 872) 12 January 1989 (1989-01-12) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 494 (E - 1145) 13 December 1991 (1991-12-13) *
TAKAYOSHI SO ET AL: "C&C SYSTEMS INFRASTRUCTURE", NEC RESEARCH AND DEVELOPMENT, no. 96, 1 March 1990 (1990-03-01), pages 13 - 29, XP000136294 *

Also Published As

Publication number Publication date
US5323445A (en) 1994-06-21
DE69229682D1 (de) 1999-09-02
EP0719044A2 (en) 1996-06-26
EP0502547A2 (en) 1992-09-09
EP0719044B1 (en) 1999-07-28
DE69229682T2 (de) 2000-02-17
DE69222204D1 (de) 1997-10-23
EP0502547A3 (en) 1993-05-26
EP0502547B1 (en) 1997-09-17
DE69222204T2 (de) 1998-04-16

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